# #0f57ff

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#0f57ff`
- RGB: rgb(15, 87, 255)
- HSL: hsl(222, 100%, 53%)
- OKLCH: oklch(0.538 0.256 263.2)
- Relative luminance: 0.1414
- Nearest named color: Blue Ribbon (#0066ff, Δ 3.148) — https://brandsweets.com/colors/blue-ribbon
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0f57ff

## Tints & shades

- Tints (toward white): #2969ff, #3d77ff, #5789ff, #6b97ff, #85a9ff, #99b8ff, #b3c9ff, #c7d8ff, #e0eaff, #f5f8ff
- Shades (toward black): #0049f5, #0042db, #003ac2, #0032a8, #002c94, #00257a, #001d61, #001547, #000e2e, #000614

## Harmonies

- Complementary: #ffb70f
- Analogous: #0fcfff, #3f0fff
- Triadic: #ff0f57, #57ff0f
- Split-complementary: #ff3f0f, #cfff0f
- Tetradic: #ff0fcf, #ffb70f, #0fff3f

## Colors that go with #0f57ff

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #0f57ff: softer than #000 and cool enough to feel like part of the same palette. Seen in: Zoom (https://brandsweets.com/colors/brands/zoom-us), Docker (https://brandsweets.com/colors/brands/docker-com), Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #0f57ff — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Toyota (https://brandsweets.com/colors/brands/toyota-com), Chase (https://brandsweets.com/colors/brands/chase-com), WWE (https://brandsweets.com/colors/brands/wwe-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #0f57ff in 6 real palettes, including Walmart's brand system and NBA's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Dropbox's brand system and Headspace's brand system put Blue beside #0f57ff, as the accent. Seen in: Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Signal (https://brandsweets.com/colors/brands/signal-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #0f57ff: 12 real palettes, including Nokia's brand system and Nivea's brand system, as the lead colour. Seen in: Nokia (https://brandsweets.com/colors/brands/nokia-com), Nivea (https://brandsweets.com/colors/brands/nivea-com), NHL (https://brandsweets.com/colors/brands/nhl-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #0f57ff: 9 real palettes, including Roblox's brand system and Webflow's brand system, as the supporting colour. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), NBA (https://brandsweets.com/colors/brands/nba-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/cornflowerblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #0f57ff: 14 real palettes, including Chase's brand system and Square's brand system, as the lead colour. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Square (https://brandsweets.com/colors/brands/squareup-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Dairy Queen (https://brandsweets.com/colors/brands/dairyqueen-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #0f57ff: 8 real palettes, including OnePlus's brand system and ASUS's brand system, as the supporting colour. Seen in: OnePlus (https://brandsweets.com/colors/brands/oneplus-com), ASUS (https://brandsweets.com/colors/brands/asus-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), Coursera (https://brandsweets.com/colors/brands/coursera-org). — https://brandsweets.com/colors/dodgerblue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 5.49:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0045e6 (7.01:1)
- On black (#000000): 3.83:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2969ff (4.56:1); AA: background → #ebebeb (4.6:1); AAA: text → #6694ff (7.24:1)

## Brands using this color

- **Nokia** — accent #005aff (Δ 0.611) — https://brandsweets.com/colors/brands/nokia-com
- **Framer** — primary #0055ff (Δ 0.639) — https://brandsweets.com/colors/brands/framer
- **Bose** — secondary #005bff (Δ 0.793) — https://brandsweets.com/colors/brands/bose-com
- **Zoom** — primary #0b5cff (Δ 1.014) — https://brandsweets.com/colors/brands/zoom-us
- **Zoom** — secondary #0b5cff (Δ 1.014) — https://brandsweets.com/colors/brands/zoom-us
- **Coinbase** — primary #0052ff (Δ 1.188) — https://brandsweets.com/colors/brands/coinbase
- **Spectrum** — accent #005eff (Δ 1.398) — https://brandsweets.com/colors/brands/spectrum-com
- **Grafana Labs** — primary #1b55f5 (Δ 1.61) — https://brandsweets.com/colors/brands/grafana-com
- **Grafana Labs** — accent #1b55f5 (Δ 1.61) — https://brandsweets.com/colors/brands/grafana-com
- **Toyota** — accent #145fff (Δ 1.744) — https://brandsweets.com/colors/brands/toyota-com
- **Cisco** — secondary #0a60ff (Δ 1.867) — https://brandsweets.com/colors/brands/cisco-com
- **Nivea** — secondary #0f60ff (Δ 1.903) — https://brandsweets.com/colors/brands/nivea-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/0f57ff-9ca3c4-df6e4e-211f2d-e9eff1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#0f57ff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.